/Engine/Source/Editor/LevelInstanceEditor/Public/PackedLevelActorUtils.h
static bool CreateOrUpdateBlueprint ( [ILevelInstanceInterface](API\Runtime\Engine\LevelInstance\ILevelInstanceInterface) * InLevelInstance, [TSoftObjectPtr](API\Runtime\CoreUObject\UObject\TSoftObjectPtr)< [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) > InBlueprintAsset, bool bCheckoutAndSave, bool bPromptForSave )